Chess South Africa
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Chess South Africa
Nkosi, S (Sibahlesonke)
Dob:
2011/09/16 (U14)
Gender:
Female
Chess SA id:
2110118136
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/05/18 (29 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1394.3
Current Weighted rating
1181.3
Current Weighted performance
1386.9
Current official/published rating (highest between Raw, WR and WP)
1394.3
Current highest rating achieved
1394.3
Current floor (min rating allowed)
894.3
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±125.7
Current Raw change used (final)
0.0
Projected new Raw rating
1394.3
Projected new Weighed rating
1087.4
Projected new Weighted performance
1386.9
Projected new final Raw rating (if new WP > new Raw)
1394.3
Projected new highest rating
1394.3
Projected new floor
894.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1394.3
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1394.5
Current Weighted rating
1176.2
Current Weighted performance
1386.9
Current official/published rating (highest between Raw, WR and WP)
1394.5
Current highest rating achieved
1394.5
Current floor (min rating allowed)
894.5
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±125.7
Current Raw change used (final)
0.0
Projected new Raw rating
1394.5
Projected new Weighed rating
1082.8
Projected new Weighted performance
1386.9
Projected new final Raw rating (if new WP > new Raw)
1394.5
Projected new highest rating
1394.5
Projected new floor
894.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1394.5
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Siyavuma Primary Open 2024 (Junior)
2024/05/18
2024/05/18
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1236.6
1247.2
Analysis
2
D14 Schools Individuals 2024 (U13 Girls)
2024/05/11
2024/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1236.6
1247.2
Analysis
1
Mojazo Schools Cluster 2024 (U13)
2024/04/12
2024/04/12
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1148.3
1140.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
Siyavuma Primary Open 2024 (Junior)
2024/05/18
2024/05/18
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1236.6
1247.2
Analysis
7
D14 Schools Individuals 2024 (U13 Girls)
2024/05/11
2024/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1236.6
1247.2
Analysis
6
Mojazo Schools Cluster 2024 (U13)
2024/04/12
2024/04/12
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1148.3
1140.0
Analysis
5
2023 Gauteng Top Schools (U13 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
1.0
1170.5
1166.4
Analysis
4
Mojazo Cluster Schools Individuals 2023 (U13 Girls)
2023/04/21
2023/04/21
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1169.5
1164.8
Analysis
3
2022 Gauteng Schools Team Championships (U13 Girls)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1145.3
1133.6
Analysis
2
2022 Gauteng Schools Individual Chess Championship (U11 Girls)
2022/06/18
2022/06/18
Ekurhuleni (GE)
Standard
60
0.83
5
4
1.0
1187.1
1184.0
Analysis
1
2019 Gauteng School League Finals (U9 Open)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
13
0
2
13.0
86.7
311.7
1198.9
1510.6
White
8
6
0
2
6.0
75.0
212.5
1185.5
1398.0
Black
7
7
0
0
7.0
100.0
425.0
1214.3
1639.3
Standard
All
15
13
0
2
13.0
86.7
311.7
1198.9
1510.6
White
8
6
0
2
6.0
75.0
212.5
1185.5
1398.0
Black
7
7
0
0
7.0
100.0
425.0
1214.3
1639.3
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
38
22
0
16
22.0
57.9
67.1
1206.1
1273.2
White
20
10
0
10
10.0
50.0
0.0
1198.4
1198.4
Black
18
12
0
6
12.0
66.7
141.7
1214.6
1356.2
Standard
All
38
22
0
16
22.0
57.9
67.1
1206.1
1273.2
White
20
10
0
10
10.0
50.0
0.0
1198.4
1198.4
Black
18
12
0
6
12.0
66.7
141.7
1214.6
1356.2
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1100118187
Mlondleni, SG (Siyabonga Gift)
1
1.0
1
0
0
100.0
1170.5
425.0
1595.5
View list
2
1110302400
Mkhwanazi, L (Lindokuhle Njabulo)
1
1.0
1
0
0
100.0
1148.3
425.0
1573.3
View list
3
1140145708
Mkhize, S (Sibongimpilo)
1
1.0
1
0
0
100.0
1236.6
425.0
1661.6
View list
4
2110303857
Matela, R (Reitumetse)
1
1.0
1
0
0
100.0
1236.6
425.0
1661.6
View list
5
2110303856
Malope, K (Kutloano Kemang)
1
1.0
1
0
0
100.0
1236.6
425.0
1661.6
View list
6
2090145831
Makgeta, L (Letlhogonolo)
1
1.0
1
0
0
100.0
1145.3
425.0
1570.3
View list
7
1110154072
Majola, Z (Zamokuhle)
1
1.0
1
0
0
100.0
1148.3
425.0
1573.3
View list
8
2120303854
Magoro, H (Hope)
1
1.0
1
0
0
100.0
1236.6
425.0
1661.6
View list
9
1100113572
Lombaard, M (Michael)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1100302391
Baxter, R (Raphael)
1
1.0
1
0
0
100.0
1148.3
425.0
1573.3
View list
11
2100142895
Kgomo, M (Minenhle)
1
1.0
1
0
0
100.0
1145.3
425.0
1570.3
View list
12
2110145905
Molaudzi, N (Nobuhle)
1
1.0
1
0
0
100.0
1169.5
425.0
1594.5
View list
13
2090145843
Mokoena, L (Lungile)
1
1.0
1
0
0
100.0
1145.3
425.0
1570.3
View list
14
2120143312
Mokgatla, K (Kgomotso)
1
1.0
1
0
0
100.0
1187.1
425.0
1612.1
View list
15
1110145776
Mthembu, C (Celimpilo)
1
1.0
1
0
0
100.0
1148.3
425.0
1573.3
View list
16
211093924
Ncube, K (Konkokuhle)
1
1.0
1
0
0
100.0
1148.3
425.0
1573.3
View list
17
1100118145
Ndlovu, MA (Mzuyanda Allan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
18
2100145852
Nene, O (Owami)
1
1.0
1
0
0
100.0
1169.5
425.0
1594.5
View list
19
1140145722
Sibulawa, A (Anele)
1
1.0
1
0
0
100.0
1236.6
425.0
1661.6
View list
20
1110143277
Sibulawa, S (Siyanda)
1
1.0
1
0
0
100.0
1236.6
425.0
1661.6
View list